SPDR SER TR's ticker is XBI and the CUSIP is 78464A870. A total of 422 filers reported holding SPDR SER TR in Q4 2017. The put-call ratio across all filers is 3.55 and the average weighting 0.6%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Q Global Advisors, LLC | 320,000 | $23,366 | 15.02% |
| DAFNA Capital Management LLC | 565,000 | $41,256,300 | 12.83% |
| CHIRON CAPITAL MANAGEMENT, LLC | 148,706 | $10,858,512 | 9.34% |
| Investure, LLC | 561,600 | $41,008,032 | 8.75% |
| Soleus Capital Management, L.P. | 1,250,000 | $91,275,000 | 8.42% |
| Ghost Tree Capital, LLC | 300,000 | $21,906,000 | 7.20% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 300,000 | $21,906,000 | 6.64% |
| Main Management Fund Advisors LLC | 281,000 | $20,519 | 5.97% |
| Nantahala Capital Management | 950,000 | $69,369,000 | 5.93% |
| Yelin Lapidot Holdings Management Ltd. | 105,972 | $7,738,075 | 4.60% |